added more support for supabase-js

tests/integration/realtime.test.ts

@@ -4,35 +4,48 @@ import { createAnonClient } from './setup.ts';
 const client = createAnonClient();
 
 describe('Realtime', () => {
-  it('should receive insert events', async () => {
+  it('should resume subscription from last_event_id', async () => {
+    // 1. Create a message while no one is listening
+    const { data: inserted, error } = await client
+      .from('todos')
+      .insert({ title: 'Missed Event', completed: false })
+      .select()
+      .single();
+    expect(error).toBeNull();
+    
+    // We need to know the ID of this event in realtime history.
+    // Ideally we query `madbase_realtime.messages` but client can't.
+    // So we just assume ID > 0.
+    // Wait, we need to pass `last_event_id` < actual_id.
+    // Let's assume we want everything after ID=0.
+
     return new Promise<void>((resolve, reject) => {
+      // 2. Connect with last_event_id = 0 (should fetch all history)
       const channel = client
-        .channel('public:todos')
+        .channel('public:todos', { config: { last_event_id: 0 } as any })
         .on(
           'postgres_changes',
           { event: 'INSERT', schema: 'public', table: 'todos' },
           (payload) => {
-            console.log('Received INSERT event:', payload);
-            expect(payload.new).toBeDefined();
-            expect(payload.new.title).toBe('Realtime Test');
-            client.removeChannel(channel).then(() => resolve());
+            console.log('Received missed event:', payload);
+            if (payload.new && payload.new.title === 'Missed Event') {
+              expect(payload.new.id).toBe(inserted.id);
+              client.removeChannel(channel).then(() => resolve());
+            }
           }
         )
-        .subscribe(async (status) => {
-          if (status === 'SUBSCRIBED') {
-            // Trigger an insert
-            const { error } = await client
-              .from('todos')
-              .insert({ title: 'Realtime Test', completed: false });
-            
-            if (error) reject(error);
-          }
+        .subscribe((status, err) => {
+           if (status === 'SUBSCRIBED') {
+             console.log('Subscribed with resume');
+           }
+           if (status === 'CHANNEL_ERROR') {
+             reject(err);
+           }
         });
 
-      // Timeout if no event received
       setTimeout(() => {
-        reject(new Error('Timeout waiting for Realtime event'));
-      }, 10000);
+        reject(new Error('Timeout waiting for missed event'));
+      }, 5000);
     });
-  }, 10000);
+  });
 });